1240980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 3932544

約数和(自身を除く): 2691564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 43, 52, 60, 65, 74, 78, 86, 111, 129, 130, 148, 156, 172, 185, 195, 215, 222, 258, 260, 370, 390, 430, 444, 481, 516, 555, 559, 645, 740, 780, 860, 962, 1110, 1118, 1290, 1443, 1591, 1677, 1924, 2220, 2236, 2405, 2580, 2795, 2886, 3182, 3354, 4773, 4810, 5590, 5772, 6364, 6708, 7215, 7955, 8385, 9546, 9620, 11180, 14430, 15910, 16770, 19092, 20683, 23865, 28860, 31820, 33540, 41366, 47730, 62049, 82732, 95460, 103415, 124098, 206830, 248196, 310245, 413660, 620490, 1240980]

約数ペア:

[(1, 1240980), (2, 620490), (3, 413660), (4, 310245), (5, 248196), (6, 206830), (10, 124098), (12, 103415), (13, 95460), (15, 82732), (20, 62049), (26, 47730), (30, 41366), (37, 33540), (39, 31820), (43, 28860), (52, 23865), (60, 20683), (65, 19092), (74, 16770), (78, 15910), (86, 14430), (111, 11180), (129, 9620), (130, 9546), (148, 8385), (156, 7955), (172, 7215), (185, 6708), (195, 6364), (215, 5772), (222, 5590), (258, 4810), (260, 4773), (370, 3354), (390, 3182), (430, 2886), (444, 2795), (481, 2580), (516, 2405), (555, 2236), (559, 2220), (645, 1924), (740, 1677), (780, 1591), (860, 1443), (962, 1290), (1110, 1118)]